Topic wise Paper Solution
| Que.No | Question/Problem | marks |
|---|---|---|
| Q 1a)(a) |
What is function of (i) oil reservoir (ii) pressure relief valve, (iii) direction control valve, (iv) filters ? |
4 |
| Q 1a)(c) |
Explain piston pump with neat sketch............. |
4 |
| Q 3 b ) |
Explain gear pump with neat sketch......... |
4 |
| Q 3 c ) |
Explain any four criteria for selection of hydraulic pump in hydraulic system. |
4 |
| Q 4b)(a) |
Explain with neat sketch the working of variable displacement vane pump. |
6 |
| Q 6 d ) |
Compare positive displacement pump with Rotodynamic pump. |
4 |
| Que.No | Question/Problem | marks |
|---|---|---|
| Q 1a)(a) |
State the four advantages and disadvantages of screw pump. |
4 |
| Q 1a)(b) |
Explain the construction of 4/2 poppet valve with neat sketch & symbol. |
4 |
| Q 1a)(c) |
State the essential properties of hydraulic fluids.......... |
4 |
| Q 1b)(a) |
Draw general layout of hydraulic system and explain its working. ................. |
6 |
| Q 3 d ) |
Draw neat labelled sketch of....... |
4 |
| Q 4b)(a) |
Explain variable displacement axial piston pump with neat sketch........ |
6 |
| Q 6 c ) |
Enlist the hydraulic oil manufacturer’s in India........... |
4 |
| Q 6 d ) |
Enlist applications of hydraulic system......... |
4 |
| Que.No | Question/Problem | marks |
|---|---|---|
| Q 1a)(i) |
Write any four applications oil hydraulic systems |
4 |
| Q 1a)(ii) |
What are the effects of contaminants in the oil? |
4 |
| Q 1b)(i) |
Draw actual hydraulic system and explain its working. |
6 |
| Q 2 a ) |
What is swash plate? What is its use........ |
8 |
| Q 3 a ) |
Write any four advantages of oil hydraulic system. |
4 |
| Q 5 b ) |
Explain construction and working of gear pump. |
8 |
| Q 6 a ) |
In cold climate why oil tank is equipped with oil heaters? Explain. |
4 |